Ecosystem

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Across
  1. 3. the hunter of animals
  2. 4. demand for a resource by two or more organisms
  3. 8. breaks down dead things back into soil
  4. 10. hunted by other animal
  5. 11. consumes mainly plants
  6. 13. consumes mainly other animals (meat)
  7. 14. a living thing needs to stay alive
Down
  1. 1. plants that make own food
  2. 2. flat area of land where salt water overflows
  3. 5. living thing eats other things
  4. 6. fresh water meets salt water from an ocean
  5. 7. a path energy flows from one organism to another
  6. 9. consumes both plants and animals
  7. 12. made up of living and nonliving things in an area